Unilateral mastoid hypertrophy.
D000328:Adult; D000388:Air; D006801:Humans; D006984:Hypertrophy; D008297:Male; D008416:Mastoid / Q000000981:diagnostic imaging* / Q000473:pathology; D009777:Occipital Bone / Q000000981:diagnostic imaging / Q000473:pathology; D010294:Parietal Bone / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography